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Ecosystem Shifts: Implications for Groundwater Management

机译：生态系统转变：对地下水管理的影响

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Freshwater ecosystems provide a large number of benefits to society. However, extensive human activities threat the viability of these ecosystems, their habitats, and their dynamics and interactions. One of the main risks facing these systems is the overexploitation of groundwater resources that hinders the survival of several freshwater habitats. In this paper, we study optimal groundwater paths when considering freshwater ecosystems. We contribute to existing groundwater literature by including the possibility of regime shifts in freshwater ecosystems into a groundwater management problem. The health of the freshwater habitat, which depends on the groundwater level, presents a switch in its status that occurs when a critical water level ('tipping point') is reached. Our results highlight important differences in optimal extraction paths and optimal groundwater levels compared with traditional models. The outcomes suggest that optimal groundwater withdrawals are non-linear and depend on the critical threshold and the ecosystem's health function. Our results show that the inclusion of regime shifts in water management calls for a reformulation of water policies to incorporate the structure of ecosystems and their interactions with the habitat.
机译：淡水生态系统对社会提供了大量的好处。然而，广泛的人类活动威胁了这些生态系统，栖息地和动态和互动的可行性。这些系统面临的主要风险之一是对地下水资源的过度开采，阻碍了几种淡水栖息地的存活率。在本文中，我们在考虑淡水生态系统时研究最佳地下水道路。我们为现有地下水文学贡献，包括政权在淡水生态系统中转变为地下水管理问题的可能性。淡水栖息地的健康状况取决于地下水位，在达到关键水位（'倾斜点'）时，其状态呈现出其状态的开关。与传统模型相比，我们的结果突出了最佳提取路径和最佳地下水位的重要差异。结果表明，最佳的地下水取消是非线性的，取决于临界阈值和生态系统的健康功能。我们的研究结果表明，纳入水务管理方案的转变要求对水政政策的重新制定，以纳入生态系统的结构及其与栖息地的互动。

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